(9) गीतों में से (4) गीत चुनने के कितने तरीके हैं?

How many ways are there to choose (4) songs from (9) songs?

Explanation opens after your attempt
Correct Answer

C. (126)

Step 1

Concept

Choosing songs is not arrangement, so \(\binom{9}{4}=126\). If order were needed, it would be a different question.

Step 2

Why this answer is correct

The correct answer is C. (126). Choosing songs is not arrangement, so \(\binom{9}{4}=126\). If order were needed, it would be a different question.

Step 3

Exam Tip

गीत चुनना व्यवस्था नहीं है इसलिए \(\binom{9}{4}=126\) है। क्रम चाहिए होता तो अलग प्रश्न होता।

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Mathematics Answer, Explanation and Revision Hints

(9) गीतों में से (4) गीत चुनने के कितने तरीके हैं? / How many ways are there to choose (4) songs from (9) songs?

Correct Answer: C. (126). Explanation: गीत चुनना व्यवस्था नहीं है इसलिए \(\binom{9}{4}=126\) है। क्रम चाहिए होता तो अलग प्रश्न होता। / Choosing songs is not arrangement, so \(\binom{9}{4}=126\). If order were needed, it would be a different question.

Which concept should I revise for this Mathematics MCQ?

Choosing songs is not arrangement, so \(\binom{9}{4}=126\). If order were needed, it would be a different question.

What exam hint can help solve this Mathematics question?

गीत चुनना व्यवस्था नहीं है इसलिए \(\binom{9}{4}=126\) है। क्रम चाहिए होता तो अलग प्रश्न होता।